cyathus

noun
cy·​a·​thus | \ ˈsīəthəs \

Definition of cyathus

1 or kyathos \ ˈkīəˌthäs \ plural cyathi\ -​ˌthī \ or kyathoi\ -​ˌthȯi \ : a long-handled cup or earthenware ladle used especially in ancient Greece for filling drinking cups with wine
2 plural cyathi [New Latin, from Latin] : any small cup-shaped cavity or organ of a plant especially : cupule sense 1c
3 capitalized [New Latin, from Latin] : a genus of bird's-nest fungi having the fruit body narrowed at the base and flaring at the top — compare nidulariaceae

History and Etymology for cyathus

Latin & Greek; Latin cyathus, from Greek kyathos; akin to Greek koilos hollow

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More About cyathus

Dictionary Entries Near cyathus

cyathozooid

cyathus

Cybele

See More Nearby Entries 

Statistics for cyathus

Cite this Entry

“Cyathus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyathus. Accessed 3 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!